$(document).ajaxSend(function (e, xhr, opt) {
    var user_token = localStorage.getItem("user_token");
    xhr.setRequestHeader("user_token_header", user_token);
});

function getUserInfo(url){
    $.ajax({
      type: "get",
      url: url,
      success: function(result) {
        if(result.code == 200 && result.data != null) {
          //填充用户主页信息
          $(".left .card h3").text(result.data.userName);
          $(".left .card a").attr("href", result.data.githubUrl);

        }else {
          //后续补充
        }
      }
    });
  }

  function logout() {
    localStorage.removeItem("user_token");
    location.assign("blog_login.html");
  }